<template>
    <div class="login_container">
        <div class="login_box">
            <div>
                <img src="../assets/sc.png" alt="" class="img_box">
            </div>
            <!--登录表单-->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="80px" class="login_form">
                <el-form-item  label="用户名">
                    <el-input v-model="loginForm.username" prefix-icon="el-icon-user">请输入用户名</el-input>
                </el-form-item>
                <el-form-item prop="password" label="密码">
                    <el-input type="password" 
                    v-model="loginForm.password" prefix-icon="el-icon-lock">请输入密码</el-input>
                </el-form-item>
                <el-form-item>
                    <el-button @click="login" class="btns" type="primary ">登录</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return {
            //登录表单数据绑定对象
            loginForm:{
                username:'admin',
                password:'123456',
            },
            //验证
            loginFormRules:{
                password:[
                    {required:true,message:"请输入登录密码",trigger:"blur"},
                    {min:6,max:15,message:"长度在6-15之间",trigger:"blur"}
                ]
            }
        };
    },
    methods:{
        login(){
            this.$refs.loginFormRef.validate(async valid => {
                if(!valid) return;
                const { data : res } = await this.$http.post('login',this.loginForm);
                if(res.meta.status !==200) return this.$message.error('登录失败');
                this.$message.success('登录成功');
                console.log(res);
                window.sessionStorage.setItem('token' , res.data.token);
                this.$router.push('/home')
            });
        }
    }
};
</script>

<style Lang="less" scoped>
.login_container{
    background-color: #59a36c;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.img_box{
    height: 30%;
    width: 20%;
    position: absolute;
    left: 50%;
    top: 5%;
    transform: translate(-50%,-50%);
    border:7px solid #eee;
    border-radius: 50%;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.btns{
    display: flex;
    left: 50%;
    transform: translate(120%);
}
</style>
